12997740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4421}}^1$

素因数の和:4447

約数の個数: 72

約数和(自身を含む): 42345072

約数和(自身を除く): 29347332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4421, 8842, 13263, 17684, 22105, 26526, 30947, 44210, 53052, 61894, 66315, 88420, 92841, 123788, 132630, 154735, 185682, 216629, 265260, 309470, 371364, 433258, 464205, 618940, 649887, 866516, 928410, 1083145, 1299774, 1856820, 2166290, 2599548, 3249435, 4332580, 6498870, 12997740]

約数ペア:

[(1, 12997740), (2, 6498870), (3, 4332580), (4, 3249435), (5, 2599548), (6, 2166290), (7, 1856820), (10, 1299774), (12, 1083145), (14, 928410), (15, 866516), (20, 649887), (21, 618940), (28, 464205), (30, 433258), (35, 371364), (42, 309470), (49, 265260), (60, 216629), (70, 185682), (84, 154735), (98, 132630), (105, 123788), (140, 92841), (147, 88420), (196, 66315), (210, 61894), (245, 53052), (294, 44210), (420, 30947), (490, 26526), (588, 22105), (735, 17684), (980, 13263), (1470, 8842), (2940, 4421)]